Added the possibility for team (double) matches in a tournament (Issue #14)

The code still needs to be polished. To enable double matches you have to set the teamType property of a tournament to 1 by manually editing the database row.
Fixed query
The actual date and time of a match are now saved instead of a date containing only the month and year.
Splitted the configuration to several files and added the relevant interfaces to the module class
Displays all played double league matches for a month.
Added a new dashboard/homepage with informations about the most recent matches and the top ranks of all tournaments.
Tab->Space, indentation
method to determine players that already played in the current tournament
indentation
formatting/indentation
improving the ranking prediction / statistic
fade out players who did not play a match (yet)
Merge pull request #24 from lorindol/develop

Develop
change activePlayers to ArrayCollection and resolve issue #12
Fixes #23 and #14. Tournaments are now supported with double matches.
Merge commit 'aafd9a976fb4d43c2f94ee7fb56e096780cac910' into develop

# By Martin Brotzeller
# Via Martin Brotzeller
* commit 'aafd9a976fb4d43c2f94ee7fb56e096780cac910':
  change activePlayers to ArrayCollection and resolve issue #12

Conflicts:
	module/Application/src/Application/Controller/IndexController.php
	module/Application/src/Application/Entity/MatchRepository.php